Chemical Reactions

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Across
  1. 3. is a unique abbreviation for an element on the periodic table
  2. 4. combination of symbols that show the makeup of a compound
  3. 8. type of system exchanges matter with its surroundings
  4. 10. represents the number placed in front of a chemical formula in a balanced chemical equation
Down
  1. 1. number written below the line that identifies the number of atoms of an element in a compound
  2. 2. is a characteristic of matter that can be observed as it changes to a different type of matter.
  3. 5. type of system does not exchange matter with its surroundings
  4. 6. law states that mass is neither created nor destroyed in a chemical reaction
  5. 7. consists of reactants and products, showing the chemical formula of each substance in a reaction.
  6. 9. In a chemical reaction, the substances to the left of the arrow are called